6516163541 has 4 divisors (see below), whose sum is σ = 6667702272. Its totient is φ = 6364624812.

The previous prime is 6516163517. The next prime is 6516163559. The reversal of 6516163541 is 1453616156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6516163541 - 2⁶ = 6516163477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6516163495 and 6516163504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516163441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75769301 + ... + 75769386.

It is an arithmetic number, because the mean of its divisors is an integer number (1666925568).

Almost surely, 2^6516163541 is an apocalyptic number.

It is an amenable number.

6516163541 is a deficient number, since it is larger than the sum of its proper divisors (151538731).

6516163541 is a wasteful number, since it uses less digits than its factorization.

6516163541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151538730.

The product of its digits is 64800, while the sum is 38.

The square root of 6516163541 is about 80722.7572683193. The cubic root of 6516163541 is about 1867.8012363082.

Adding to 6516163541 its reverse (1453616156), we get a palindrome (7969779697).

The spelling of 6516163541 in words is "six billion, five hundred sixteen million, one hundred sixty-three thousand, five hundred forty-one".